2015-03-05 22:22:07 +00:00
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open nat
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2015-06-05 17:32:24 +00:00
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inductive fin : nat → Type :=
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| fz : Π n, fin (succ n)
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| fs : Π {n}, fin n → fin (succ n)
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2015-03-05 22:22:07 +00:00
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open fin
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definition case0 {C : fin zero → Type} (f : fin zero) : C f :=
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match f with
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end
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